content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.operators;
  
  import hu.akarnokd.reactive4javaflow.*;
  import org.junit.Test;
  
  import java.io.IOException;
  
  public class EsetlegRetryWhenTest {
  
      @Test
      public void standard() {
          TestHelper.assertResult(
                  Esetleg.just(1)
                  .retryWhen(h -> h),
                  1
          );
      }
  
  
      @Test
      public void standardHidden() {
          TestHelper.assertResult(
                  Esetleg.just(1).hide()
                          .retryWhen(h -> h),
                  1
          );
      }
  
      @Test
      public void becomeEmpty() {
          TestHelper.assertResult(
                  Esetleg.error(new IOException()).retryWhen(h -> {
                      int[] c = { 0 };
                      return h.takeWhile(v -> c[0]++ < 2);
                  }));
      }
  
      @Test
      public void error() {
          TestHelper.assertFailureComposed(-1,
                  f -> f.retryWhen(h -> {
                      int[] c = { 0 };
                      return h.takeWhile(v -> {
                          if (c[0]++ < 2) {
                              return true;
                          }
                          throw v;
                      });
                  }), IOException.class);
      }
  
      @Test
      public void handlerCrash() {
          Esetleg.just(1)
                  .retryWhen(h -> { throw new IOException(); })
                  .test()
                  .assertFailure(IOException.class);
      }
  
  
      @Test
      public void immediateError() {
          TestHelper.assertFailureComposed(5,
                  f -> f.retryWhen(v -> Esetleg.error(new IOException())), IOException.class);
      }
  
      @Test
      public void immediateComplete() {
          TestHelper.assertResult(
                  Esetleg.just(1)
                          .retryWhen(h -> Esetleg.empty())
          );
      }
  
  }
  